Automatic fuel-supply-regulating means for hydrocarbon-burners



J. H. HOLLAND.

AUTOMATIC FUEL SUPPLY REGULATING MEANS FOR HYDROCARBON BURNERS.

APPLICATION FILED JUNEZB, 1919.

Patented Sept. 27, 1921.

UNITED STATES JAMES HENRY HOLLAND, OF STUTTGART, ARKANSAS PATENT OFFICE. v

- To all whom it may concern:

Be it known that I, JAMES HENrY Hon automatic fuel supply regulating means for.

hydrocarbon burners. o

The object of the invention is to provide automatic fuel feeding means for hydrocarbon burners adapted to maintain the liquid fuel at a fixed level in the burner or burners at a point near to the wick level thereof whereby a more steady, hotter flame, with substantially total absence of smoke, is obtained. V

A further object of the inventlon is to provide an improved automatic fuel supply regulator of a simple and practical form that will {be safe and reliable in the operation and equippedwith adjusting means capable of being quickly and easily operated from the exterior of the apparatus.

The invention, with other objects and ad vantages thereof, and the particular construction, combination and arrangement of parts comprising the same will be under stood from the hereinafter contained detail description when considered in connection with the accompanying drawings, forming part hereof, and illustrating one embodiment of the invention.

In the drawing is illustrated improved automatic fuel supply regulating means constructed in accordance with the invention, parts being shown in side elevation and in vertical section.

While I have illustrated in the drawing a specific embodiment of the invention, it will, of course, be understood that changes and variations in the particular construction shown, and the carrying out of the invention in other forms, as will appeal to those skilled in the art and falling within the scope of the appended claims may be prac-- tised without departing from the spirit of the invention. I

The invention comprehends the use of amain reservoir for liquid fuel, such as coal oil or the like, a pressure pipe line for conveying the liquid fuel from, the reservolr to Specification of Letters Patent. Patented Sept. 27, 1921. Application filed June as, i

1919. Serial No. 306,872.

the hydrocarbon burner or burners located at a distance from the main reservoir. and automatic fuel feed regulating means interposed in the pressure pipe line, and adapted to maintain the level of the liquid fuel in the burners at a constant level at a point adjacent the wick level of the burners.

Referring to a detail description of the drawing, 1 designates the main liquid fuel reservoir, 2 the pressure pipe line for conducting liquid fuel from the reservoir 1 to the hydrocarbon burner 3 located at a distance from the main reservoir, for the sake of clearness, only a single burner in this instance, beingshown by way of example. Any of the well known and approved types of illuminating and heating hydrocarbon burners may be employed, the burner shown having associated therewith an oil font or reservoir 3'. 3 designates thewick of the burner, the wick level being indicated by the dotted line 6-1). Interposed between the burner 3 and the main liquid fuel reservoir 1, is an automatic fuel feeding means comprising a closed casing 4 providing a distributing chamber 5. The bottom wall 5' of the casing has an inlet opening 6 and a valv seat 7 for an automatically acting valve 8 adapted to regulate the admission of liquid fuel to the distributing chamber 5. The valve 8 is provided with a stem 9 slidably and rotatably supported at its upper part in a bearing'plug 10 carried at the upper end of a tubular stem 11 secured within the casing 4, the lower end of the tubular stem 11 having a, threaded portion 9' engaging a threaded collar 12 on the bottom wall 5' oft the casing. The top wall 13 of the casing 5 is formed as a separate part and detachably secured in place, said wall or cover 13 having a threaded depending flange l4 engaging a threaded end portion 15 of the casing, and having a central opening to fit over the bearing plug 10. 16 designates an 'annular float in the chamber 5 adapted to operate through the medium of levers 17 portionshaving rounded heads 18 each engaging and held in a groove 19 in a block 20 on the valve stem 9, the vertical walls of the groove preventing said block from turning when the valve stem is operated,

The pressure pipe line 2 is suitably connected with the inlet 6 oflthe chamber 5, and 21 designates a conduit leadingv from the upper part of the chamber to the lower part of the reservoir 3 of the burner 3.

The regulating means is adapted to feed the I liquid fuel to the font or reservoir 3' of the hydrocarbon burner 3 to maintain liquid fuel therein at a substantially fixed orcon stant level at a point near to the Wick level bb of the burner. In the drawing, the level of the liquid fuel in the reservoir-3 of the burner is indicated by the dotted line aa1, the level of the liquid fuel in the burner. The automatic fuel supply regulat burner reservoir 3 being shown in the-drawing about three quarters of an inch below the wick level of the burner, the maintenance of the liquid level at this distance from the Wick level having been found .to produce good results, although of course as will be understood, the point at which the liquid level in the burner reservoir 3 is maintained may be'varied within reasonable limits so long as the same is maintained at a point substantially near to the wick level of the burners in which the wick is solelyrelied upon to draw'up the liquid fuel to the wick level or burnlng point, being entirely avoided. s

The block 20 hasa threaded opening engaging a threaded portion 9 of the valve stem 9, an adjustable connection bein thus provided between the inner ends 0 v the valve operating levers and the valve stem. The

valve stem extends a substantial distance above the top 'wall 13 o'f'the casing and is provided with an operating knob or finger piece 9% By rotating the valve stem 9 through the mediiunof the operating knob or finger piece 9 the connection between the valve stem and the inner ends of the valveoperating levers can be adjusted, this special construction affording simple means easily and quickly operable from the exterior of the casing to vary and regulate to a nicety the level of the liquid fuel in the burner .reservoir relatively to the wick level.

24' designates a safety overflow pipe connected withth'eupper portion of the cham her 5, the pipe leading to a suitable catch basin (Not shown.) 25 designates a sediment draw ofi' cock leading from the bottom of the chamber 5.

Any 'suitable means may be employed whereby the liquid fuelwill be forced under pressure through the pressure pipe line-2.

Inthe drawing, the main liquid fuel reservoir 1 is shown located above the distributing chamber 5 and burner 3, the liquid fuel being fed through the pressure pipe line by gravity. l

What I claim is:

1. The combination with a hydrocarbon chamber, a liquid fuel reservoir and a pressure pipe line for conveying liquid fuel from the reservoir to the burner, of automatic fuel supply regulating means including a closed casing providing a fuel distributing chamber having an inlet opening in its bottom all, said pressure pipe line leading to said opening, a conduit leading from the chamber to the reservoir of the hydrocarbon burner,a reciprocating valve for the inlet opening in the bottom of the chamber provided with a valve stem extending through the top wall of the casing a substantial distance outside of the same and provided with an operating knob or finger piece, the valve stem having a threaded portion intermediate its ends, a block having a threaded opening adjustably engaging the threaded portion of the stem, a guide on the casing and slidably support-- ing the upper part of the valve-stem, an annular float in the chamber surrounding the valve stem, a tubular stem extending longitudinall of and secured to, the casing, and.

levers pivoted intermediate their ends to the tubular stem, the outer ends of the levers being pivotally connected with the float and the inner ends of the levers being connected with said block,the connection between the valve operating levers and valve stem being adjustable by the rotation of the valve stem through the operating finger piece orknob on the valve stem. a

2. The'combination with a hydrocarbon burner, a liquid fuel reservoir, and a pressure pipe line for conveying liquid fuel from the, reservoir to the burner, of an automatic fuel supply regulating means includingta casing providing a fuel distributing chamber having an inlet opening in its bottom wall, said pressure pipe line leading to said inlet opening, a conduit leadin from the chamber to the reservoir of the hy rocarbon burner, a reciprocating valve for the inlet opening in the bottom of thechamber provided with a valve stem projecting a, substantial distance outside of the casing, means on the casing supporting therod for rotary and sliding movement, afloat in the chamber, levers pivoted intermediate their ends to a part on the casing thefouter ends of the levers being arranged to be engaged by the float, and a rotary adjustableconnection between the valve.

stem and theinner ends'of saidlevers, the

connection between the valve operating levers and valve stem being adjustable by the rotation of the stem. j

3. The combination with a hydrocarbon burne a-l quld fuel reservoir, and a pipe line for conveying fuel from the reservoir to the burner,.of an automatic fuels'upply means, said means comprising a chamber having an opening at the bottom communicating with the pipe line, a conduit leading from adjacent the top of the chamber to the bottom of the burner, a tube extending through the chamber and having a side opening adjacent the bottom and alining side openings adjacent the top, a valve for controlling communication between the chamber and pipe line, a valve stem secured to the valve and extending through the tube, said stem having a threaded portion intermediate its ends, a float operable in the chamber and surrounding the tube, ablock carried on the threaded portion of the valve stem and provided with grooves in its sides, levers extending through the openings adjacent the top of the tube and pivotall v connected to the tube intermediate their ends, the inner ends of said levers being rounded and received in the grooves in the block and the outer ends engaging the upper face of the float, and means for rotating the, valve stem for adjusting the block on the threaded portion thereof.

In testimony whereof I hereunto aflix my signature in the presence of two witnesses. JAMES RY HOLLAND.

itnesses:

FLOYD ll INGO, RAY BARNETT. 

